mica

/ˈmaɪkə/

/ˈmikə/

Other forms: micas

Definitions of mica

1. noun

   any of various minerals consisting of hydrous silicates of aluminum or potassium etc. that crystallize in forms that allow perfect cleavage into very thin leaves; used as dielectrics because of their resistance to electricity
   synonyms: isinglass

   types:

   biotite

   dark brown to black mica found in igneous and metamorphic rock

   lepidolite

   a mineral of the mica group; an important source of lithium

   muscovite

   a colorless or pale brown mica with potassium

   paragonite

   a colorless or pale brown mica with sodium

   phlogopite

   a brown form of mica consisting of hydrous silicate of potassium and magnesium and aluminum

   zinnwaldite

   a mica containing iron and lithium

   damourite

   a variety of muscovite

   lepidomelane

   a mica that is a biotite containing iron

   type of:

   mineral

   solid homogeneous inorganic substances occurring in nature having a definite chemical composition

   translucent substance, transparent substance

   a material having the property of admitting light diffusely; a partly transparent material